27969952

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{20327}}^1$

素因数の和:20380

約数の個数: 24

約数和(自身を含む): 56349216

約数和(自身を除く): 28379264

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 20327, 40654, 81308, 162616, 325232, 650464, 874061, 1748122, 3496244, 6992488, 13984976, 27969952]

約数ペア:

[(1, 27969952), (2, 13984976), (4, 6992488), (8, 3496244), (16, 1748122), (32, 874061), (43, 650464), (86, 325232), (172, 162616), (344, 81308), (688, 40654), (1376, 20327)]